.page-news {
  padding: 18px 0 96px;
}

.page-news .crumb {
  margin-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-news .hero {
  display: grid;
  gap: 16px;
  padding: 24px 0 30px;
}

.page-news .hero h1 {
  margin: 0;
  max-width: 21ch;
  color: var(--c-head);
  font-size: clamp(30px, 8.4vw, 56px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.page-news .hero .lead {
  margin: 0;
  max-width: 48ch;
  color: var(--c-body);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .hero__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-news .hero__strip .stat {
  display: grid;
  gap: 4px;
  min-width: 92px;
}

.page-news .hero__strip .stat__num {
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-news .hero__strip .stat__label {
  color: var(--c-scale);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-news .hero__figure {
  margin: 0;
}

/* ---------- 通用区块 ---------- */
.page-news .band {
  padding: 44px 0;
}

.page-news .band + .band {
  border-top: 1px solid var(--line-soft);
}

.page-news .band__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-news .band__head h2 {
  margin: 0;
  color: var(--c-head);
  font-size: clamp(24px, 6.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-news .band__head p {
  margin: 0;
  max-width: 56ch;
  color: var(--c-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-news a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 224, 208, 0.4);
}

.page-news a:hover,
.page-news a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 资料库入口 ---------- */
.page-news .lib {
  display: grid;
  gap: 22px;
}

.page-news .lib__index {
  padding: 18px 18px 16px;
  background: var(--c-panel-2);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut);
}

.page-news .lib__index h3 {
  margin: 0 0 12px;
  color: var(--c-scale);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.page-news .idx {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .idx__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .idx__row:last-child {
  border-bottom: 0;
}

.page-news .idx__name {
  color: var(--c-body);
  font-size: 15px;
}

.page-news .idx__num {
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-news .lib__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  color: var(--c-scale);
  font-size: 13px;
  line-height: 1.7;
}

.page-news .filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .filterbar__count {
  margin-left: auto;
  color: var(--c-scale);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.page-news .filterbar__count b {
  color: var(--c-cyan);
  font-weight: 700;
}

.page-news .case-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-news .entry {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 14px 16px 14px 20px;
  background: var(--c-panel-2);
  border: 1px solid var(--line-soft);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-news .entry[hidden] {
  display: none;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-violet);
}

.page-news .entry:hover {
  border-color: var(--line);
  background: var(--c-panel);
}

.page-news .entry:hover::before {
  background: var(--c-cyan);
}

.page-news .entry__no {
  color: var(--c-orange);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-news .entry__title {
  margin: 0;
  color: var(--c-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .entry__desc {
  margin: 4px 0 0;
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .entry .tag {
  justify-self: start;
  margin-top: 4px;
}

.page-news .lib__tail {
  margin: 18px 0 0;
  color: var(--c-scale);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 最新入库案例 ---------- */
.page-news .fresh {
  display: grid;
  gap: 22px;
}

.page-news .fresh__cards {
  display: grid;
  gap: 12px;
}

.page-news .freshcard {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px;
  background: linear-gradient(180deg, var(--c-panel) 0%, var(--c-panel-2) 100%);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  transition: border-color 0.25s ease;
}

.page-news .freshcard:hover {
  border-color: var(--c-cyan);
}

.page-news .freshcard__no {
  color: var(--c-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-news .freshcard h3 {
  margin: 0;
  color: var(--c-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.38;
}

.page-news .freshcard p {
  margin: 0;
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .freshcard .tag {
  justify-self: start;
  margin-top: 2px;
}

.page-news .fresh__figure {
  margin: 0;
}

/* ---------- 专题系列 ---------- */
.page-news .series__figure {
  margin: 0 0 18px;
}

.page-news .series__rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-violet) transparent;
}

.page-news .series__rail:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}

.page-news .series__card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px;
  background: var(--c-panel);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--c-violet);
  clip-path: var(--cut);
}

.page-news .series__num {
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-news .series__card h3 {
  margin: 0;
  color: var(--c-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .series__card p {
  margin: 0;
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .series__card .tag {
  justify-self: start;
}

.page-news .series__hint {
  margin: 4px 0 0;
  color: var(--c-scale);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 新手引导 ---------- */
.page-news .guide {
  display: grid;
  gap: 22px;
}

.page-news .guide__figure {
  margin: 0;
}

.page-news .ladder {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .step {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--c-panel-2);
  border-left: 2px solid var(--c-violet);
}

.page-news .step__no {
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-news .step h3 {
  margin: 0;
  color: var(--c-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .step p {
  margin: 0;
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 更新记录 ---------- */
.page-news .loglist {
  border-top: 1px solid var(--line-soft);
}

.page-news .logrow {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .logrow__sum {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  padding: 14px 4px;
  cursor: pointer;
  list-style: none;
}

.page-news .logrow__sum::-webkit-details-marker {
  display: none;
}

.page-news .logrow__sum:hover .logrow__t {
  color: var(--c-cyan);
}

.page-news .logrow__v {
  color: var(--c-orange);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-news .logrow__t {
  color: var(--c-body);
  font-size: 15px;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.page-news .logrow__sum .tag {
  justify-self: start;
}

.page-news .logrow[open] .logrow__sum {
  padding-bottom: 8px;
}

.page-news .logrow__more {
  margin: 0;
  padding: 0 4px 16px 76px;
  color: var(--c-dim);
  font-size: 14px;
  line-height: 1.78;
}

.page-news .loglist__tail {
  margin: 18px 0 0;
  color: var(--c-scale);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-news {
    padding-bottom: 110px;
  }

  .page-news .hero {
    gap: 18px;
    padding: 30px 0 36px;
  }

  .page-news .band {
    padding: 52px 0;
  }

  .page-news .fresh__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .case-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-news .lib__tail,
  .page-news .loglist__tail {
    max-width: 62ch;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .series__card {
    flex: 0 0 calc((100% - 28px) / 3);
  }

  .page-news .ladder {
    gap: 16px;
  }

  .page-news .step:nth-child(2) {
    margin-left: 34px;
  }

  .page-news .step:nth-child(3) {
    margin-left: 68px;
  }

  .page-news .step:nth-child(4) {
    margin-left: 102px;
  }

  .page-news .logrow__sum {
    grid-template-columns: 66px minmax(0, 1fr) auto;
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-news .lib {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .lib__index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }

  .page-news .case-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .fresh {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 26px;
  }

  .page-news .fresh__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .guide {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-news .hero {
    padding: 36px 0 42px;
  }
}

@media (min-width: 1240px) {
  .page-news .case-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .guide {
    grid-template-columns: 380px minmax(0, 1fr);
  }
}